Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Common Stock, Par Value and Capital in Excess of Par	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance, shares at Dec. 31, 2023		271,706
Beginning balance at Dec. 31, 2023	$ 3,404,271		$ 3,166,964	$ (4,604,323)	$ 4,936,384	$ (94,754)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	477,163				477,163
Other comprehensive loss, net of taxes	$ (14,423)					(14,423)
Purchase of treasury stock, shares	(848)	(848)
Purchase of treasury stock	$ (250,010)			(250,010)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures, shares		1,728
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures	133,272		100,040	33,232
Stock Issued During Period, Shares, Acquisitions		1,741
Stock Issued During Period, Value, Acquisitions	501,824		501,824
Stock received for payment of employee taxes on vesting of restricted stock, shares		(507)
Stock received for payment of employee taxes on vesting of restricted stock	(166,903)		(16,049)	(150,854)
Stock-based compensation expense	175,698		175,698
Ending balance, shares at Jun. 30, 2024		273,820
Ending balance at Jun. 30, 2024	4,260,892		3,928,477	(4,971,955)	5,413,547	(109,177)
Beginning balance, shares at Mar. 31, 2024		272,134
Beginning balance at Mar. 31, 2024	3,567,596		3,331,547	(4,840,181)	5,184,027	(107,797)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	229,520				229,520
Other comprehensive loss, net of taxes	$ (1,380)					(1,380)
Purchase of treasury stock, shares	(423)	(423)
Purchase of treasury stock	$ (125,004)			(125,004)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures, shares		409
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures	16,547		10,881	5,666
Stock received for payment of employee taxes on vesting of restricted stock, shares		(41)
Stock received for payment of employee taxes on vesting of restricted stock	(15,780)		(3,344)	(12,436)
Stock-based compensation expense	87,569		87,569
Ending balance, shares at Jun. 30, 2024		273,820
Ending balance at Jun. 30, 2024	4,260,892		3,928,477	(4,971,955)	5,413,547	(109,177)
Beginning balance, shares at Dec. 31, 2024		273,851
Beginning balance at Dec. 31, 2024	4,673,578		4,181,737	(5,309,579)	5,991,868	(190,448)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	433,630				433,630
Other comprehensive loss, net of taxes	$ 214,420					214,420
Purchase of treasury stock, shares	(1,968)	(1,968)
Purchase of treasury stock	$ (525,016)			(525,016)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures, shares		806
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures	78,322		74,603	3,719
Stock received for payment of employee taxes on vesting of restricted stock, shares		(199)
Stock received for payment of employee taxes on vesting of restricted stock	(94,334)		(36,406)	(57,928)
Stock-based compensation expense	225,938		225,938
Ending balance, shares at Jun. 30, 2025		272,490
Ending balance at Jun. 30, 2025	5,006,538		4,445,872	(5,888,804)	6,425,498	23,972
Beginning balance, shares at Mar. 31, 2025		273,042
Beginning balance at Mar. 31, 2025	4,776,257		4,327,187	(5,693,200)	6,265,447	(123,177)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	160,051				160,051
Other comprehensive loss, net of taxes	$ 147,149					147,149
Purchase of treasury stock, shares	(607)	(607)
Purchase of treasury stock	$ (175,009)			(175,009)
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures, shares		106
Issuance of common stock and reissuance of treasury stock under equity incentive plans, net of forfeitures	1,533		7,383	(5,850)
Stock Issued During Period, Shares, Acquisitions		1,741
Stock Issued During Period, Value, Acquisitions	501,824		501,824
Stock received for payment of employee taxes on vesting of restricted stock, shares		(51)
Stock received for payment of employee taxes on vesting of restricted stock	(21,768)		(7,023)	(14,745)
Stock-based compensation expense	118,325		118,325
Ending balance, shares at Jun. 30, 2025		272,490
Ending balance at Jun. 30, 2025	$ 5,006,538		$ 4,445,872	$ (5,888,804)	$ 6,425,498	$ 23,972